... function interface ... i got the same error as you

Using the mtime accessor/method, it seems to work just fine 

$ perl -MPath::Tiny -le " print scalar gmtime( path( shift )->stat->mt
+ime ) " .
Mon Sep 14 09:38:52 2015

$ perl -MPath::Tiny -le " print scalar gmtime( path( shift )->stat->mt
+ime ) " ..
Fri May 29 06:13:23 2009

$ perl -MFile::stat -le " print scalar gmtime( stat( shift )->mtime ) 
+" .
Mon Sep 14 09:38:52 2015

$ perl -MFile::stat -le " print scalar gmtime( stat( shift )->mtime ) 
+" ..
Fri May 29 06:13:23 2009

$ perl -MPath::Tiny -le " print scalar gmtime( path( shift )->stat->mt
+ime ) " NUL
Error stat on 'NUL': Invalid argument at -e line 1.

$ perl -MFile::stat -le " print scalar gmtime( stat( shift )->mtime ) 
+" NUL
Can't call method "mtime" on an undefined value at -e line 1.

[download]

File::stat is from 2003 and is an Object Interface to builtin Perl's stat function.

File::stat is core, File::Stat is from 2003 and needs to be removed from CPAN :) maybe replaced with an independent non-core version of File::stat 

Data for 2015-07-20
File::stat was first released with perl 5.004
  5.004      undef
  5.00405    undef
  5.005      undef
  5.00503    undef
  5.00504    undef
  v5.6.0     undef
  v5.6.1     undef
  v5.6.2     undef
  v5.7.3     1.00
  v5.8.0     1.00
  v5.8.1     1.00
  v5.8.2     1.00
  v5.8.3     1.00
  v5.8.4     1.00
  v5.8.5     1.00
  v5.8.6     1.00
  v5.8.7     1.00
  v5.8.8     1.00
  v5.8.9     1.01
  v5.9.0     1.00
  v5.9.1     1.00
  v5.9.2     1.00
  v5.9.3     1.00
  v5.9.4     1.00
  v5.9.5     1.00
  v5.10.0    1.00
  v5.10.1    1.01
  v5.11.0    1.02
  v5.11.1    1.02
  v5.11.2    1.02
  v5.11.3    1.02
  v5.11.4    1.02
  v5.11.5    1.02
  v5.12.0    1.02
  v5.12.1    1.02
  v5.12.2    1.02
  v5.12.3    1.02
  v5.12.4    1.02
  v5.12.5    1.02
  v5.13.0    1.02
  v5.13.1    1.02
  v5.13.2    1.02
  v5.13.3    1.03
  v5.13.4    1.03
  v5.13.5    1.03
  v5.13.6    1.03
  v5.13.7    1.04
  v5.13.8    1.04
  v5.13.9    1.05
  v5.13.10   1.05
  v5.13.11   1.05
  v5.14.0    1.05
  v5.14.1    1.05
  v5.14.2    1.05
  v5.14.3    1.05
  v5.14.4    1.05
  v5.15.0    1.05
  v5.15.1    1.05
  v5.15.2    1.05
  v5.15.3    1.05
  v5.15.4    1.05
  v5.15.5    1.05
  v5.15.6    1.05
  v5.15.7    1.05
  v5.15.8    1.05
  v5.15.9    1.05
  v5.16.0    1.05
  v5.16.1    1.05
  v5.16.2    1.05
  v5.16.3    1.05
  v5.17.0    1.06
  v5.17.1    1.06
  v5.17.2    1.07
  v5.17.3    1.07
  v5.17.4    1.07
  v5.17.5    1.07
  v5.17.6    1.07
  v5.17.7    1.07
  v5.17.8    1.07
  v5.17.9    1.07
  v5.17.10   1.07
  v5.17.11   1.07
  v5.18.0    1.07
  v5.18.1    1.07
  v5.18.2    1.07
  v5.18.3    1.07
  v5.18.4    1.07
  v5.19.0    1.07
  v5.19.1    1.07
  v5.19.2    1.07
  v5.19.3    1.07
  v5.19.4    1.07
  v5.19.5    1.07
  v5.19.6    1.07
  v5.19.7    1.07
  v5.19.8    1.07
  v5.19.9    1.07
  v5.19.10   1.07
  v5.19.11   1.07
  v5.20.0    1.07
  v5.20.1    1.07
  v5.20.2    1.07
  v5.21.0    1.07
  v5.21.1    1.07
  v5.21.2    1.07
  v5.21.3    1.07
  v5.21.4    1.07
  v5.21.5    1.07
  v5.21.6    1.07
  v5.21.7    1.07
  v5.21.8    1.07
  v5.21.9    1.07
  v5.21.10   1.07
  v5.21.11   1.07
  v5.22.0    1.07
  v5.23.0    1.07
  v5.23.1    1.07

[download]

In reply to Re^2: File date by Anonymous Monk
in thread File date by natol44

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